<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            display: flex;
            width: 80%;
            height: 400px;
            background-color: pink;
        }
        span{
            margin-right: 5px;
            width: 150px;
            height: 100px;
            background-color: skyblue;
        }
    </style>
</head>
<body>
    <div>
        <span>1</span>
        <span>2</span>
        <span>3</span>
    </div>
</body>
</html>
